In Fig.REF , we explore in more detail the known
anticorrelation between the impact parameters versus \(N\)(H i). Considering only the high-confidence DLA associations from
the literature and the IFU-based searches probing large scale
environments, a clear trend seems to emerge, although with large
scatter. Indeed, high \(N\)(H i) systems are observed at preferentially
small impact parameters, with a Pearson's correlation coefficient of \(-0.544\)  and a \(p\)  value of 0.029 [1]}, [2]}, [3]}, [4]}. It should however be noted that some of these detections rely on long-slit spectroscopic measurements, for which only small impact parameters are accessible. Larger samples studied with large format IFUs are needed to confirm the significance of this relation.
